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Name: |
beryl |
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Class: |
Silicates |
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Chemistry: |
Be3Al2Si6O18 |
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Color(s): |
green (emerald), blue (aquamarine), yellow (golden), pink (morganite), red, colorless |
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Hardness: |
7.5-8 |
SpecGrav: |
2.66-2.92 |
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Fracture: |
uneven-conchoidal |
Cleavage: |
indistinct-one direction |
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Crystal: |
hexagonal: crystals are common - usually six sided, maybe striated along lengthwise. |
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Envronment: |
pegmatites and some metamorphic rocks. |
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Association: |
quartz, micas, almandine.,microcline,calcite, topaz, fluorite |
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Locals: |
NC, CA, NV, CO, New England, USA / Brazil / Columbia / China / Ireland/ Switzerland |
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Misc: |
the name come from the Greek, beryllos, indicating a green gemstone. |
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Photos |
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1.) Wah Wah Mtns. , Utah |
4.) Cosquez Mine, Boyaca, Columbia |
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